Patents by Inventor Petter Schatvet

Petter Schatvet has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Modification of a video signal of an object exposed to ambient light and light emitted from a display screen
    Patent number: 9100579
    Abstract: A method that includes obtaining a video signal of an object by a camera, obtaining an ambient light signal representing ambient light, obtaining a display signal representing light emitted by a display, obtaining a distance signal representing a distance between the display and the object, and modifying the video signal based on the ambient light signal, the display signal, and the distance signal, to obtain a modified video signal.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: August 4, 2015
    Assignee: Cisco Technology, Inc.
    Inventors: Petter Schatvet, Per Ove Husoy
  • METHOD AND APPARATUS FOR OPTICAL ECHO CANCELLATION
    Publication number: 20140160314
    Abstract: A method that includes obtaining a video signal of an object by a camera, obtaining an ambient light signal representing ambient light, obtaining a display signal representing light emitted by a display, obtaining a distance signal representing a distance between the display and the object, and modifying the video signal based on the ambient light signal, the display signal, and the distance signal, to obtain a modified video signal.
    Type: Application
    Filed: December 10, 2012
    Publication date: June 12, 2014
    Applicant: CISCO TECHNOLOGY, INC.
    Inventors: Petter SCHATVET, Per Ove HUSOY
  • Method, apparatus, and computer-readable storage medium for removing flickering in video images of objects illuminated by ambient lighting and screen light
    Patent number: 8294784
    Abstract: A method, apparatus, and computer-readable storage medium for removing flickering from a video of an object illuminated by a screen that operates on a refresh rate value (fscr) among a first value set including screen compatible refresh rate values, and an ambient lighting that operates on a certain line frequency value (fl) captured by a camera with a certain exposure time value (te) among a second value set including camera compatible exposure time values.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: October 23, 2012
    Assignee: Cisco Technology, Inc.
    Inventor: Petter Schatvet
  • METHOD, APPARATUS, AND COMPUTER-READABLE STORAGE MEDIUM FOR REMOVING FLICKERING IN VIDEO IMAGES OF OBJECTS ILLUMINATED BY AMBIENT LIGHTING AND SCREEN LIGHT
    Publication number: 20110205393
    Abstract: A method, apparatus, and computer-readable storage medium for removing flickering from a video of an object illuminated by a screen that operates on a refresh rate value (fscr) among a first value set including screen compatible refresh rate values, and an ambient lighting that operates on a certain line frequency value (fl) captured by a camera with a certain exposure time value (te) among a second value set including camera compatible exposure time values.
    Type: Application
    Filed: December 22, 2010
    Publication date: August 25, 2011
    Applicant: TANDBERG TELECOM AS
    Inventor: Petter SCHATVET